Home / 740,882,994.44-1,111,389,815.03-209,099,155.34

Finding the Fourth Proportional to 740,882,994.44, 1,111,389,815.03 and 209,099,155.34

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Solution

The fourth proportional to 740,882,994.44, 1,111,389,815.03 and 209,099,155.34 is: 313,667,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,882,994.44 : 1,111,389,815.03 = 209,099,155.34 : x
  2. Step 2: Convert to fraction form
    740,882,994.44/1,111,389,815.03 = 209,099,155.34/x
  3. Step 3: Cross multiply
    740,882,994.44x = 1,111,389,815.03 × 209,099,155.34
  4. Step 4: Simplify right side
    740,882,994.44x = 232,390,671,578,455,840
  5. Step 5: Solve for x
    x = 232,390,671,578,455,840/740,882,994.44
  6. Step 6: Final answer
    x = 313,667,169.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.